Origin
Bakersfield, CA
Afternoon in Bakersfield on Sunday
Local time
12:22 PM
PDT
Current temp
53°F
Unavailable
Live forecast
Trip from Bakersfield, CA to Diamond Bar, CA
Drive Time
2h 41m
Distance
138.8 mi
223 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$32
one way
Bakersfield, CA
Stephen Leonardi
Diamond Bar, CA
Lany-Jade Mondou
Trip Overview
Connecting Bakersfield to Diamond Bar, this 138.8-mile journey is a straightforward trek across California’s Pacific Coast region. You can easily complete the drive in 2 hours and 41 minutes, making it a perfect one-day trip that requires no overnight stay. Budgeting approximately $32 for fuel will cover your transit across the state’s major corridors. Because the route is entirely contained within the Pacific Coast region, you will experience a consistent environment throughout the transition from the Central Valley toward the Los Angeles basin. It is a practical, no-nonsense commute that favors efficiency over sightseeing.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
69.4 miles from Bakersfield, CA
A natural place for your longest stop of the day , about 1h 19m into the drive .
Drive Character
Expect a highly efficient, highway-focused experience, as 97% of this trip is spent on major thoroughfares. You will spend the vast majority of your time cruising on the Golden State Freeway, which features the longest stretch of the journey at 84.9 miles. Transitions onto the Foothill Freeway and Orange Freeway keep you moving steadily toward your destination. This is not a winding mountain road or a leisurely backroads tour, but rather a focused interstate drive. You should be prepared for the steady flow of heavy traffic typical of these major California arteries.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Golden State Freeway is the longest continuous segment at about 84.9 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Golden State Freeway and Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 87 miles in.
Route Complexity
8/10
Demanding - plan breaks and stay ahead of the key maneuvers
This is a demanding drive. With 13 significant decision points across 138.8 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 87 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 111.7 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 131.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Critical Maneuvers
5 of 13 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
7
87 mi into trip
|
~1h 40m in
Take the exit toward I 210 East: Pasadena
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 161A
Toward I 210 East: Pasadena
8
111.7 mi into trip
|
~2h 8m in
|
I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward CA 134 West, I 210 East: San Bernardino, Ventura
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward CA 134 West, I 210 East: San Bernardino,...
7
131.2 mi into trip
|
~2h 31m in
Take the exit toward CA 57 South: Santa Ana
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 44A
Toward CA 57 South: Santa Ana
7
138.4 mi into trip
|
~2h 40m in
Take the exit toward Sunset Crossing Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 18
Toward Sunset Crossing Road
7
138.7 mi into trip
|
~2h 41m in
|
Sunset Crossing Road
Turn left onto Sunset Crossing Road
Lane positioning matters here
Use the left lane.
Towns Along This Route
On the drive from Bakersfield, CA to Diamond Bar, CA, road signs begin pointing toward Ventura along the way.
Ventura
111.7 mi in
|
~2h 8m
|
via I 210
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Golden State Freeway | 84.9 mi | 1h 36m |
| Foothill Freeway | 44 mi | 50m |
| Orange Freeway | 6.3 mi | 7m |
| California Avenue | 1.5 mi | 2m |
| L Street | 0.3 mi | <1m |
| Sunset Crossing Road | 0.1 mi | <1m |
| Truxtun Avenue | 0.1 mi | <1m |
Longest stretch:
Golden State Freeway
— 84.9 mi, about 1h 36m
Turn-by-Turn Driving Directions
Step-by-step road directions between Bakersfield, CA and Diamond Bar, CA.
1
Start on Truxtun Avenue
0.1 mi
·
20 sec
·
Truxtun Avenue
2
Turn right onto L Street
0.3 mi
·
51 sec
·
L Street
3
Turn right onto California Avenue
1.5 mi
·
2 min
·
California Avenue
4
Take the ramp
0.2 mi
·
25 sec
Toward CA 99 South
Use the right lane.
5
Merge onto CA 99
25 mi
·
27 min
·
Golden State Freeway
Use the none / straight / slight right lanes.
6
Keep slight left at fork onto CA 99
58 mi
·
1 hr 6 min
·
Golden State Freeway
Use the none lane.
7
Keep slight left at fork onto I 5
2.0 mi
·
2 min
·
Golden State Freeway
Use the none lane.
8
Take the exit
0.3 mi
·
17 sec
Exit 161A
Toward I 210 East: Pasadena
Use the slight right lane.
9
Continue on I 210
24 mi
·
28 min
·
Foothill Freeway
Use the none lane.
10
Keep slight right at fork onto I 210
19 mi
·
22 min
·
Foothill Freeway
Toward CA 134 West, I 210 East: San Bernardino, Ventura
Use the slight right lane.
11
Keep slight right at fork onto I 210
0.5 mi
·
32 sec
·
Foothill Freeway
Use the none lane.
12
Take the exit
0.9 mi
·
1 min
Exit 44A
Toward CA 57 South: Santa Ana
Use the slight right lane.
13
Continue on CA 57
6.3 mi
·
7 min
·
Orange Freeway
Use the none lane.
14
Take the exit
0.3 mi
·
40 sec
Exit 18
Toward Sunset Crossing Road
Use the straight / slight right lanes.
15
Turn left onto Sunset Crossing Road
0.1 mi
·
24 sec
·
Sunset Crossing Road
Use the left lane.
16
Turn left
39 ft
·
2 sec
17
Arrive at destination
Trip Plan
Since this is a relatively short drive of under three hours, you have significant flexibility with your departure time. However, plan for at least one stop to break up the monotony of the long highway stretches. Given the high reliance on the Golden State Freeway, check traffic reports before you leave to avoid peak congestion periods. Keep your $32 fuel budget in mind as you navigate, as prices can fluctuate significantly between Bakersfield and the more populated Diamond Bar area. Because the route is nearly entirely on highways, ensure your vehicle is ready for sustained high-speed driving before you hit the road.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 69.4 miles from Bakersfield, CA, or about 1h 19m into the drive.
The longest continuous stretch on this route runs about 84.9 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 32m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 69.4 miles or 1h 19m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 11m
Traffic, exits, and arrival timing usually matter more near Diamond Bar, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Bakersfield, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Bakersfield, CA
This is one driving day of about 138.8 miles and 2h 41m.
Your first comfortable stop window is around 80 miles from Bakersfield, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Golden State Freeway for about 84.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 69.4 mi from Bakersfield, CA · 1h 19m into the drive
Mid-route town
Meal stop
69 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 69.4 miles from Bakersfield, CA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Golden State Freeway if your tank is already low. That segment runs about 84.9 miles.
Arriving in Diamond Bar, CA
The final approach into Diamond Bar, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Diamond Bar, CA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$32.14 one way
$64.29 round trip
$5.88/gal
25.4 MPG avg
49 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.07 | $33.15 | $66.30 |
| premium | $6.24 | $34.12 | $68.23 |
| diesel | $5.64 | $30.84 | $61.67 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$32
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 48.6 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $15 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 41.6 | 0 | $14.57 | $6.66 |
| Efficient EV | 34.7 | 0 | $12.15 | $5.55 |
| EV Truck/SUV | 55.5 | 0 | $19.43 | $8.88 |
Gas CO2
49 kg
EV CO2
16 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Diamond Bar, CA
Afternoon in Diamond Bar on Sunday
Local time
12:22 PM
PDT
Current temp
53°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
2h 41m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Bakersfield, CA to Diamond Bar, CA covers 138.8 miles and takes about 2h 41m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Golden State Freeway, Foothill Freeway, Orange Freeway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 69.4 miles from Bakersfield, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $32.14 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a demanding drive. With 13 significant decision points across 138.8 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 87 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 111.7 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 131.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
On the drive from Bakersfield, CA to Diamond Bar, CA, road signs begin pointing toward Ventura along the way.
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